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BOSTON MARATHON 2025

Louisa Mcpherson

Bib: 15513•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #6434
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
42:56
Rank: #7232 (-798)
5K → 10K
21:46 | 7:00/mi
15K· 9.32 mi
1:04:23
Rank: #7141 (+91)
10K → 15K
21:27 | 6:54/mi
20K· 12.43 mi
1:26:48
Rank: #7398 (-257)
15K → 20K
22:25 | 7:13/mi
Half· 13.11 mi
1:31:31
Rank: #7361 (+37)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:48:39
Rank: #7236 (+125)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:12:27
Rank: #7391 (-155)
25K → 30K
23:48 | 7:40/mi
20M
2:23:44
Rank: #7661 (-270)
30K → 20M
11:17 | 8:18/mi
21M
2:32:51
Rank: #7953 (-292)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
2:38:56
Rank: #8116 (-163)
21M → 35K
6:05 | 8:08/mi
23M
2:51:25
Rank: #9098 (-982)
35K → 23M
12:29 | 9:58/mi
24M
3:00:43
Rank: #9633 (-535)
23M → 24M
9:18 | 9:18/mi
40K· 24.85 mi
3:09:02
Rank: #10132 (-499)
24M → 40K
8:19 | 9:44/mi
25.2M
3:12:24
Rank: #10221 (-89)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:21:26
Rank: #10571 (-350)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:31
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:49:55
Pace8:23 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1421:106:4921:10
6:49
-
10K
6.21 mi11:16:0042:566:5521:46
7:00
+0:11
15K
9.32 mi11:37:271:04:236:5421:27
6:54
-0:06
20K
12.43 mi11:59:521:26:486:5922:25
7:13
+0:19
Half
13.11 mi12:04:351:31:316:594:43
6:55
-0:18
25K
15.53 mi12:21:431:48:397:0017:08
7:04
+0:09
30K
18.64 mi12:45:312:12:277:0623:48
7:40
+0:36
20M
20.00 mi12:56:482:23:447:1111:17
8:18
+0:38
21M
21.00 mi13:05:552:32:517:179:07
9:07
+0:49
35K
21.75 mi13:12:002:38:567:186:05
8:08
-0:59
23M
23.00 mi13:24:292:51:257:2712:29
9:58
+1:50
24M
24.00 mi13:33:473:00:437:329:18
9:18
-0:40
40K
24.85 mi13:42:063:09:027:368:19
9:44
+0:26
25.2M
25.20 mi13:45:283:12:247:383:22
9:46
+0:02
Finish
26.22 mi13:54:303:21:267:419:02
8:52
-0:54

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:49 /mi

Average Pace

7:41 /mi

Slowest Pace

9:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:39

54% of race

Time at Steady Pace

41:10

20% of race

Time at Slower Pace

51:37

26% of race

Average Pace: 7:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:1421:106:4921:10
6:49
#6434
10K
6.21 mi11:16:0042:566:5521:46
7:00
#7232
15K
9.32 mi11:37:271:04:236:5421:27
6:54
#7141
20K
12.43 mi11:59:521:26:486:5922:25
7:13
#7398
Half
13.11 mi12:04:351:31:316:594:43
6:55
#7361
25K
15.53 mi12:21:431:48:397:0017:08
7:04
#7236
30K
18.64 mi12:45:312:12:277:0623:48
7:40
#7391
20M
20.00 mi12:56:482:23:447:1111:17
8:18
#7661
21M
21.00 mi13:05:552:32:517:179:07
9:07
#7953
35K
21.75 mi13:12:002:38:567:186:05
8:08
#8116
23M
23.00 mi13:24:292:51:257:2712:29
9:58
#9098
24M
24.00 mi13:33:473:00:437:329:18
9:18
#9633
40K
24.85 mi13:42:063:09:027:368:19
9:44
#10132
25.2M
25.20 mi13:45:283:12:247:383:22
9:46
#10221
Finish
26.22 mi13:54:303:21:267:419:02
8:52
#10571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64345625627005(Top 25%)739(Top 6%)739(Top 14%)
10K6.21 mi3.10 mi7232-798753-191753-1917979(Top 28%)1004(Top 8%)1004(Top 18%)
15K9.32 mi3.11 mi7141+91736+17736+177005(Top 25%)739(Top 6%)739(Top 14%)
20K12.43 mi3.11 mi7398-257824-88824-888348(Top 29%)1254(Top 10%)1254(Top 23%)
Half13.11 mi0.68 mi7361+37815+9815+97078(Top 25%)803(Top 7%)803(Top 15%)
25K15.53 mi2.42 mi7236+125796+19796+196774(Top 24%)803(Top 7%)803(Top 15%)
30K18.64 mi3.11 mi7391-155884-88884-888935(Top 31%)1812(Top 15%)1812(Top 33%)
20M20.00 mi1.36 mi7661-2701011-1271011-12712508(Top 44%)3691(Top 30%)3691(Top 67%)
21M21.00 mi1.00 mi7953-2921159-1481159-14814196(Top 50%)4726(Top 39%)4726(Top 86%)
35K21.75 mi0.75 mi8116-1631238-791238-7913145(Top 46%)4229(Top 35%)4229(Top 77%)
23M23.00 mi1.25 mi9098-9821686-4481686-44820391(Top 72%)8237(Top 67%)8237(Top 151%)
24M24.00 mi1.00 mi9633-5351961-2751961-27518819(Top 66%)7444(Top 61%)7444(Top 136%)
40K24.85 mi0.85 mi10132-4992249-2882249-28819579(Top 69%)7925(Top 65%)7925(Top 145%)
25.2M25.20 mi0.35 mi10221-892301-522301-5215921(Top 56%)6026(Top 49%)6026(Top 110%)
Finish26.22 mi1.02 mi10571-3502507-2062507-20618369(Top 65%)7267(Top 59%)7267(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7005

Females

739

F18-39

739

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7979

Females

1004

F18-39

1004

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7005

Females

739

F18-39

739

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8348

Females

1254

F18-39

1254

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7078

Females

803

F18-39

803

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6774

Females

803

F18-39

803

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8935

Females

1812

F18-39

1812

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12508

Females

3691

F18-39

3691

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14196

Females

4726

F18-39

4726

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13145

Females

4229

F18-39

4229

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20391

Females

8237

F18-39

8237

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18819

Females

7444

F18-39

7444

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19579

Females

7925

F18-39

7925

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15921

Females

6026

F18-39

6026

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18369

Females

7267

F18-39

7267

Passing Analysis

Category:
Athletes Passed
785
Passed By
4920
Net Change
-4137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6434
5K → 10K36834-798#6434#7232
10K → 15K18392+91#7232#7141
15K → 20K64321-257#7141#7398
20K → Half447+37#7398#7361
Half → 25K17146+125#7361#7236
25K → 30K125280-155#7236#7391
30K → 20M44314-270#7391#7661
20M → 21M36328-292#7661#7953
21M → 35K26189-163#7953#8116
35K → 23M13995-982#8116#9098
23M → 24M12547-535#9098#9633
24M → 40K11508-499#9633#10132
40K → 25.2M1099-89#10132#10221
25.2M → Finish10360-350#10221#10571
TOTALS7854920-4137
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing